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03 June 2013
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A PML for convex truncated domains in time-dependent acoustics with a DG-FE discretization
Modave, Axel  ; Lambrechts, Jonathan; Delhez, Eric  et al.
2013 • In Proceedings of the 11th International Conference on Mathematical and Numerical Aspects of Waves (WAVES 2013)
Peer reviewed
 

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Keywords :
acoustic problem; unbounded domain; discontinuous finite element method; perfectly matched layer; PML
Abstract :
[en] A new perfectly matched layer (PML) is proposed for convex truncated domains in the context of time-dependent acoustics. With this formulation, the size of the computational domain can be reduced when classical shapes of truncated domains are less appropriate. A numerical discretization based on the discontinuous Galerkin method is then described and validated. An example of realistic three-dimensional application is finally proposed.
Disciplines :
Aerospace & aeronautics engineering
Physical, chemical, mathematical & earth Sciences: Multidisciplinary, general & others
Author, co-author :
Modave, Axel  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Lambrechts, Jonathan;  Université Catholique de Louvain - UCL
Delhez, Eric ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Mathématiques générales
Geuzaine, Christophe  ;  Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
Language :
English
Title :
A PML for convex truncated domains in time-dependent acoustics with a DG-FE discretization
Publication date :
03 June 2013
Event name :
11th International Conference on Mathematical and Numerical Aspects of Waves (WAVES 2013)
Event date :
from 3-6-2013 to 7-6-2013
Audience :
International
Main work title :
Proceedings of the 11th International Conference on Mathematical and Numerical Aspects of Waves (WAVES 2013)
Peer reviewed :
Peer reviewed

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